/Engine/Plugins/Experimental/Mutable/Source/CustomizableObject/Public/MuCO/CustomizableObjectInstanceDescriptor.h
Given Multilayer Projector name, remove a Multilayer Projector Helper. SeeFMultilayerProjector.
void RemoveMultilayerProjector ( const [FName](API\Runtime\Core\UObject\FName) & ProjectorParamName )